Borderou de evaluare (job #303784)

Compilare: user.cpp: In function ‘int main()’: user.cpp:42:15: warning: unused variable ‘l’ [-Wunused-variable] user.cpp:42:24: warning: unused variable ‘po’ [-Wunused-variable] user.cpp:44:9: warning: unused variable ‘p’ [-Wunused-variable] user.cpp:40:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:41:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:43:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]